The controller of Hall Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Month Total Maintenance Costs Total Machine Hours January $9,500 5,250 February 10,840 6,000 March 15,360 9,000 April 19,984 11,850 May 13,000 7,500 June 20,300 12,000.

1. Determine the variable-cost components using the high-low method. (Round variable cost to 2 decimal places e.g. 12.25.) Variable cost per machine hour=

2. Determine the fixed cost components using the high-low method. (Round answer to 0 decimal places e.g. 2,520.) Fixed cost=